/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.phoenix.hbase.index.covered;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.apache.hadoop.hbase.client.Mutation;
import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;

import org.apache.phoenix.hbase.index.covered.IndexCodec;
import org.apache.phoenix.hbase.index.covered.IndexUpdate;
import org.apache.phoenix.hbase.index.covered.TableState;
import org.apache.phoenix.index.BaseIndexCodec;

/**
 * An {@link IndexCodec} for testing that allow you to specify the index updates/deletes, regardless
 * of the current tables' state.
 */
public class CoveredIndexCodecForTesting extends BaseIndexCodec {

  private List<IndexUpdate> deletes = new ArrayList<IndexUpdate>();
  private List<IndexUpdate> updates = new ArrayList<IndexUpdate>();

  public void addIndexDelete(IndexUpdate... deletes) {
    this.deletes.addAll(Arrays.asList(deletes));
  }
  
  public void addIndexUpserts(IndexUpdate... updates) {
    this.updates.addAll(Arrays.asList(updates));
  }

  public void clear() {
    this.deletes.clear();
    this.updates.clear();
  }
  
  @Override
  public Iterable<IndexUpdate> getIndexDeletes(TableState state) {
    return this.deletes;
  }

  @Override
  public Iterable<IndexUpdate> getIndexUpserts(TableState state) {
    return this.updates;
  }

  @Override
  public void initialize(RegionCoprocessorEnvironment env) throws IOException {
    // noop
  }

  @Override
  public boolean isEnabled(Mutation m) {
    return true;
  }
}